Table 1.

Vacuolar pH of BTN1⁺ and btn1-Δ strains grown in the presence or absence of chloroquine

Time of growth, h	Optical density, Klett units	pH
		BTN1+	btn1-Δ	Chloroquine
				BTN1+	btn1-Δ
6.5	25	6.15	5.80	6.20	6.20
25	300	6.10	6.10	6.30	6.30